Cited by 71Substance Abuse Treatment and OutcomesOpioid Use Disorder TreatmentNeurotransmitter Receptor Influence on Behavior

Intramuscular extended‐release naltrexone: current evidence

Gastfriend, David R.·2011·Annals of the New York Academy of Sciences

Abstract

Extended-release naltrexone (XR-NTX; Vivitrol), developed to address poor adherence in addictive disorders, is approved for use in alcohol and opioid-dependence disorders. In alcohol-dependent adults with ≥ 4-day initial abstinence, XR-NTX increased initial and 6-month abstinence. An fMRI study found that XR-NTX attenuated the salience of alcohol visual and olfactory cues in the absence of alcohol, and post hoc analyses demonstrated efficacy even during high cue-exposure holiday periods. Safety and tolerability have generally been good, without adverse hepatic impact or intractable acute pain management. XR-NTX use appears feasible in primary care and public systems, and retrospective claims analyses have found cost savings and decreased intensive service utilization relative to oral agents. In opioid dependence, following detoxification, XR-NTX shows efficacy for maintaining abstinence, improving retention, decreasing craving, and preventing relapse. Trials are also exploring its use for the treatment of stimulant dependence. XR-NTX appears compatible with counseling and self-help attendance. While more research is needed, current findings suggest that a formulation of naltrexone that was sought beginning over three decades ago is fulfilling its promise as an extended-release pharmacotherapeutic.

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Crossref · 10.1111/j.1749-6632.2010.05900.x

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Authors
Gastfriend, D. R.
Affiliations
Alkermes (United States) (US)
Corresponding author
Gastfriend, David R.
Venue
Annals of the New York Academy of Sciences
Publisher
Wiley
Published
2011-01
Volume
1216
Issue
1
Pages
144-166
ISSN
  • 0077-8923 (ISSN-L)
  • 1749-6632
OpenAlex
W1940404040
Cited by
71
References
108
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2022: 1 · 2021: 1 · 2019: 2 · 2018: 5 · 2017: 8 · 2016: 8 · 2015: 11 · 2014: 6 · 2013: 8 · 2012: 9
FWCI
1.13
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of the New York Academy of Sciences (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Opioid Use Disorder Treatment
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
extended-release naltrexone, Vivitrol, alcoholism, opioid use disorder, stimulant use disorder, pharmacotherapy, medication adherence, abstinence, cue exposure, relapse prevention, craving, treatment retention, cost reduction, primary care
MeSH terms
Alcohol Drinking, Alcoholism, Delayed-Action Preparations, Humans, Injections, Intramuscular, Naltrexone, Narcotic Antagonists, Opioid-Related Disorders, Alcohol-Related Disorders

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